Increment version to v1.0.3: correctly handle query params in CLOUDINARY_URL, Fix tag api, Support rename, Support unsafe transformation update, Missing file for rename test, Support for folders, Support for short urls for image/upload, Private download link generator, Invalidate flags in upload and destroy, Support discard_original_filename, Extend configuration instead of overriding it when object is given, Merge chunk support, Preloaded file class for handling identifiers of images uploaded directly from the browser, Support s3 urls